# USB VFD A USB enabled vacuum fluorencent display. ## Hardware The board is based around the Samsung HCS-12SS59T which can be ordered at Pollin (at the time of writing this): https://www.pollin.de/p/vakuum-fluoreszenzdisplay-samsung-hcs-12ss59t-12x1-121466 ![Schematic](hardware/schematic.png) ## Bootloader A USBASP based bootloader for the board. To enter it, push the button during powerup. ## Firmware An AVR-CDC based firmware providing a serial terminal (```/dev/ttyACMx```) with the following commands: * Set text: t<12b ASCII> * Set raw: T<12b RAW> * Set brightness: b<0\15> / B * Shift text: s... * Set character RAM: C<0-15><2b character> * Reset LCD: r * Reset board: R Each command needs to be followed by a carriage return and / or a newline. ## License All code is released under the GNU GPL Version 2. See LICENSE.TXT for more info.